Cita APA (7th ed.)

Tunceren, L., & Cavusgil, S. (2006). College writing 4. Heinle Cengage Learning.

Cita Chicago (17th ed.)

Tunceren, Li-Lee, i Sharon Cavusgil. College Writing 4. Boston: Heinle Cengage Learning, 2006.

Cita MLA (9th ed.)

Tunceren, Li-Lee, i Sharon Cavusgil. College Writing 4. Heinle Cengage Learning, 2006.